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Title: |
US3970283:
Pouring of molten metals
[ Derwent Title ]

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Country: |
US United States of America

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Inventor: |
Hind, Robert Duncan; Rotherham, United Kingdom

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Assignee: |
United States Steel Corporation, Pittsburgh, PA
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Published / Filed: |
1976-07-20
/ 1975-01-09

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Application Number: |
US1975000539667

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IPC Code: |
Advanced:
B22D 11/10;
B22D 37/00;
B22D 41/28;
Core:
B22D 41/22;
more...
IPC-7:
B65D 47/00;
B67D 3/02;

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ECLA Code: |
B22D41/28;

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U.S. Class: |
Current:
251/144;
137/329;
222/559;
222/600;
251/155;
Original:
251/144;
251/155;
137/329;
222/559;

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Field of Search: |
251/155,156,144
074/417
294/110
137/329.06,329.00
222/370,548,559,561,567,566

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Priority Number: |
| 1974-01-15 |
GB1974000001913 |

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Abstract: |
A sliding gate valve has a sliding plate provided with an under-hung insulating member having a hollow nose, the hollow nose having a tapered bore in which a molten metal resistant liner is cemented, the liner being tapered to fit the bore and a frangible cement being used to detachably secure the liner in the nose so that the liner can be readily replaced when worn.

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Attorney, Agent or Firm: |
Wood, Walter P. ;

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Primary / Asst. Examiners: |
Cline, William R.; Miller, Robert J.

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INPADOC Legal Status: |
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Family: |
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First Claim:
Show all 3 claims |
I claim:
1. In a sliding gate which includes a refractory sliding plate having an orifice, and a collector nozzle extending from said plate in line with said orifice,
- the improvement in which said nozzle comprises:
- an insulating tubular refractory member having a downwardly tapered bore;
- a tubular liner of erosion-resistant refractory within said tapered bore and having a conforming downwardly tapered outer surface and a cylinderical bore; and
- a layer of frangible refractory cement between the tapered surfaces of said tapered bore and said liner affixing said liner within said member;
- said liner being readily removable from said member on breaking of said cement.

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Background / Summary: |
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Drawing Descriptions: |
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Description: |
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Forward References: |
Show 12 U.S. patent(s) that reference this one

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